1625330 has 48 divisors (see below), whose sum is σ = 3545856. Its totient is φ = 534240.

The previous prime is 1625329. The next prime is 1625339. The reversal of 1625330 is 335261.

It is a d-powerful number, because it can be written as 1 + 6 + 2¹³ + 5⁵ + 3⁹ + 3¹³ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15137 + ... + 15243.

It is an arithmetic number, because the mean of its divisors is an integer number (73872).

2^1625330 is an apocalyptic number.

1625330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1625330 is an abundant number, since it is smaller than the sum of its proper divisors (1920526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1625330 is a wasteful number, since it uses less digits than its factorization.

1625330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1625330 is about 1274.8843084767. The cubic root of 1625330 is about 117.5746922109.

The spelling of 1625330 in words is "one million, six hundred twenty-five thousand, three hundred thirty".